Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban cac doi snippets" » "bang cac doi snippets", "ban can doi snippets", "ban sac doi snippets", "ban cac dai snippets", "ban cac toi snippets", "ban cau doi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ban cac doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban cac doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban cac doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban cac doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.